.lds-ring {
    position: relative;
    width: 20px;
    height: 20px;
    min-height: 20px;
  }
.lds-ring div {
    box-sizing: border-box;
    display: block;
    position: absolute;
    width: 14px;
    height: 14px;
    margin: 3px;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: lds-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    border-color: var(--primary-color) transparent transparent transparent;
  }
  .lds-ring div:nth-child(1) {
    animation-delay: -0.45s;
  }
  .lds-ring div:nth-child(2) {
    animation-delay: -0.3s;
  }
  .lds-ring div:nth-child(3) {
    animation-delay: -0.15s;
  }
  @keyframes lds-ring {
    0% {
      transform: rotate(0deg);
    }
    100% {
      transform: rotate(360deg);
    }
  }